CN2800334Y - Automatic control device for heat pump hot-water unit - Google Patents
Automatic control device for heat pump hot-water unit Download PDFInfo
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- CN2800334Y CN2800334Y CN 200520013056 CN200520013056U CN2800334Y CN 2800334 Y CN2800334 Y CN 2800334Y CN 200520013056 CN200520013056 CN 200520013056 CN 200520013056 U CN200520013056 U CN 200520013056U CN 2800334 Y CN2800334 Y CN 2800334Y
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- heat pump
- pump hot
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Abstract
The utility model discloses an automatic control device for a heat pump hot water unit, wherein a processor of the automatic control device for a heat pump hot water unit is respectively connected with a wire controller control loop, a module sequential setting circuit, an output driving circuit, a crystalloid vibration circuit, a temperature analog quantity collection circuit, a signal acquisition circuit of a protection switch, a smooth interference circuit and a filtering rectification circuit; the filtering rectification circuit is connected with a power supply voltage transformation circuit; the signal acquisition circuit of the protection switch is connected with an input indicating circuit; the output driving circuit is connected with an output indicating circuit. The utility model uses an intelligent fuzzy control technique to fully realize to automatically control the electricity time of peak valley and roundly control each link such as a heat pump hot water machine-made hot water system, a cold water system, a thermal storage water system, etc. and adopts a system integration technique to connect functions of each control system together mutually, physically and logically. The utility model carries out centralized control and unified management on the processor so as to realize whole concerted operation and optimization of combination property of the whole heat pump water unit.
Description
Technical field
The utility model relates to a kind of heat-pump hot-water unit automaton.
Background technology
The heat pump water-heating machine of seeing in the market all is to use the unit group, and rationally do not utilize the peak valley electricity heat can and accumulation of heat can reach purpose of energy saving, just utilize and improved Energy Efficiency Ratio against the Carnot cycle principle.
Summary of the invention
The purpose of this utility model provides a kind of heat-pump hot-water unit automaton.
The processor of heat-pump hot-water unit automaton is provided with circuit, output driving circuit, crystal oscillating circuit, temperature simulation amount Acquisition Circuit, protection switch signal acquisition circuit, filtering interfered circuit, filter rectifier with line control machine control loop, sequence of modules respectively and joins; filter rectifier and power supply transforming circuit join; the protection switch signal acquisition circuit joins with the input indicating circuit, and output driving circuit joins with the output indicating circuit.
The utility model carries out modularization to heat pump water-heating machine and controls automatically, utilize intelligent fuzzy control technique fully to realize heating water system to the automatic control of peak valley electricity time with to heat pump water-heating machine, chilled water system, each links such as accumulation of heat water system are controlled comprehensively, and adopt system integration technology physically with each control system, be interconnected in logic with on the function, realize the informix between them, resource sharing, on a computer platform (processor), carry out centralized control and unified management, realize system-wide Total tune operation of heat pump water-heating machine and combination property optimization.
Description of drawings
Fig. 1 is a heat-pump hot-water unit automaton circuit block diagram;
Fig. 2 is a heat-pump hot-water unit engineering structure synoptic diagram;
Fig. 3 is a heat-pump hot-water unit internal processes process flow diagram.
Embodiment
As shown in Figure 1; the MC68HC processor of heat-pump hot-water unit automaton respectively with the line control machine control loop of forming by critical piece 75176B; the sequence of modules that DIP-4 forms is provided with circuit; by ULN2003; the output driving circuit that JQX-115F and JXC-32F form; 32.768MHZ crystal oscillating circuit; the temperature simulation amount Acquisition Circuit that 14051B forms; the protection switch signal acquisition circuit that B4S8 forms; filtering antijamming circuit; the filter rectifier that L7805CV and L7812CV form joins; filter rectifier and TDB-9-B5 power supply transforming circuit join; the protection switch signal acquisition circuit joins with the input indicating circuit, and output driving circuit joins with the output indicating circuit.
Whole heat-pump hot-water unit automaton provides 220V, 16V and 11.5V power supply by power control circuit, provides 12V and 5V DC voltage for each master chip behind rectifying and wave-filtering.The line control machine control loop is realized various controls and the parameter setting to controller, and sequence of modules is provided with the setting that circuit is realized principal and subordinate's module.After processor read in parameter from temperature simulation amount Acquisition Circuit, input circuit and protection switch signal acquisition circuit, the reckoning of treated again device internal processes realized external control by driving circuit and output circuit at last.Controller is controlled two compressors, two bent axle electrical heating, an auxiliary electrical heating, an outdoor fan, an entering water electromagnetic valve, a defrost electrical heating, a water circulating pump and the water pump output of drawing water respectively.The power transformer that controller uses have two secondary, one by behind the rectifying and wave-filtering as the operating voltage of smd controller, another is directly as the operating voltage of protection switch.The protection mask switch is used for shielding each protection mouthful input signal.When the mask switch of certain protection mouth pushes the ON position, be about to this guard signal shielding.If certain protection mouthful need not or during on-line maintenance, can use this function.The protection switch signal that detects on the controller has: the high pressure of water flow switch, phase sequence/open-phase protection switch, large water tank float switch, low liquid level float switch, high liquid level float switch and each compressor and low-voltage protective switch etc.When protection switch was closed, the corresponding bright expression of red led was normal.The address setting switch is four a toggle switch.Toggle switch can be set to 16 kinds of states, and configuration information sees the following form:
| Switch 1 | Switch 2 | Switch 3 | Switch 4 | Geocoding | The controller numbering |
| OFF | OFF | OFF | OFF | 0000(0) | The 1# module |
| OFF | OFF | OFF | ON | 0001(1) | The 2# module |
| OFF | OFF | ON | OFF | 0010(2) | The 3# module |
| OFF | OFF | ON | ON | 0011(3) | The 4# module |
| OFF | ON | OFF | OFF | 0100(4) | The 5# module |
| OFF | ON | OFF | ON | 0101(5) | The 6# module |
| OFF | ON | ON | OFF | 0110(6) | The 7# module |
| OFF | ON | ON | ON | 0111(7) | The 8# module |
| ON | OFF | OFF | OFF | 1000(8) | The 9# module |
| ON | OFF | OFF | ON | 1001(9) | The 10# module |
| ON | OFF | ON | OFF | 1010(10) | The 11# module |
| ON | OFF | ON | ON | 1011(11) | The 12# module |
| ON | ON | OFF | OFF | 1100(12) | The 13# module |
| ON | ON | OFF | ON | 1101(13) | The 14# module |
| ON | ON | ON | OFF | 1110(14) | The 15# module |
| ON | ON | ON | ON | 1111(15) | The 16# module |
Below the utility model is further described.HAC-F2S-BM type heat-pump hot-water unit automaton is made up of some controllers and one or more line traffic control manipulater.Each several part all passes through the RS485 communication interface and connects.Automaton is made up of 1 to 16 HAC-F2S-BM controller and one 2004 molded lines control manipulater or a plurality of 4048 molded lines control manipulaters.When using a plurality of line traffic control manipulater, each line control machine is in parallel to be used, and each parameter of system can be changed according to customer requirements, uses 2004 molded lines control manipulaters can carry out the time control of peak valley electricity.In this system, it is 0 master controller that an address will be arranged at least.Slave controller can connect 15 at most, address from 1 to 15.In system, each controller must be set to different addresses, can not repeat.Each is from two compressor train of module controller control, detect the leaving water temperature of this module and outdoor coil pipe used temperature 1., outdoor coil pipe used temperature 2. and the delivery temperature of every compressor.The primary module controller except that the leaving water temperature that detects this module and outdoor coil pipe used temperature 1., outdoor coil pipe used temperature 2., the delivery temperature of every compressor, total return water temperature and the water tank temperature and the outdoor environment temperature of detection system simultaneously.
As shown in Figure 2, provided the design proposal synoptic diagram of an embodiment of the present utility model.1 is the cold water water tank in this example, 2 is the user side interface, and 3 is the water storage box float switch, and 4 are the tap water inlet, 5 is water storage box, 6 is entering water electromagnetic valve, and 7 is water circulating pump, and 8 is the heat-pump hot-water unit, 9 is high liquid level float switch, 10 is heating water tank, and 11 are low liquid level float switch, and 12 are the water pump that draws water.Present embodiment is such control: after unit is forced to start or paddy electricity time arrival execution start, water circulating pump starts, detect water flow switch and high liquid level float switch, water flow switch normally satisfies after other start condition then unit simultaneously by the start of start flow performing.High liquid level float switch disconnects then entering water electromagnetic valve to be opened, and closure is then closed entering water electromagnetic valve.When the heating water tank temperature arrives, main frame enters holding state, the water storage box float switch is in the off-state starting mode of pump that then draws water, the retaining water tank draws water, the heating water tank water level makes low liquid level float switch disconnect the water pump that then draws water to stop, water circulating pump starts, and entering water electromagnetic valve is opened, and aft engine restarted in two minutes.Add water and arrive then entering water electromagnetic valve pass of high liquid level float switch closure, the circulation heating is drawn water after water temperature is arrived once more.When heating water tank supplies water when making the water storage box float switch closed to water storage box continuously, water pump 2 does not allow to start, and the heating water tank water temperature also arrives target temperature, then main shut-down system simultaneously.
As shown in Figure 3, in heating the water conservancy project work, when the power-on command of controller execution line control machine, perhaps when the peak valley electricity time, arrival required to start shooting, controller entered the start flow process according to following flow process.Run indicator becomes green by redness on the line control machine.Water circulating pump starts, and continues to detect water flow switch, enters the heating standby state.Whether detect high liquid level float switch and disconnect, disconnect and then drive water solenoid valve into, closure is then closed entering water electromagnetic valve.Water flow switch normally adds water after two minutes simultaneously, if satisfy the compressor start condition, promptly temperature conditions is T
Total backwater≤ T
If-[SP01], during compressor shutdown time 〉=[EC01], outdoor fan starts in advance; If temperature conditions and time conditions have one not satisfy, then continue to keep holding state.Outdoor fan starts [SC04] after the time, and accumulated running time, short compressor started earlier, if satisfy the condition that another compressor starts, then [SC02] after the time another compressor also start.When the heating water tank temperature arrives, main frame enters holding state, the water storage box float switch is in the off-state starting mode of pump that then draws water, the retaining water tank draws water, the heating water tank water level makes low liquid level float switch disconnect the water pump that then draws water to stop, water circulating pump starts, and entering water electromagnetic valve is opened, and aft engine restarted in two minutes.Add water and arrive then entering water electromagnetic valve pass of high liquid level float switch closure, water temperature is drawn water after arriving once more.When heating water tank supplies water when making the water storage box float switch closed to water storage box continuously, the water pump that draws water does not allow to start, and the heating water tank water temperature also arrives target temperature, then main shut-down system simultaneously.When the shutdown command of controller execution line control machine, perhaps when the peak valley electricity time arrived the requirement shutdown, during perhaps because of the failure cause shutdown, perhaps the heating water tank water temperature arrived when the while, the water storage box float switch was closed, and controller shuts down according to following flow process.Pilot lamp becomes redness by green on the line control machine.The 1# compressor cuts out, and the 2# compressor cuts out, and outdoor fan time-delay [SC05] is closed, and the water circulating pump time-delay was closed in 1 minute.Controller is according to the start-stop of relatively controlling compressor of system's return water temperature and design temperature.As total return water temperature T
Total backwater≤ T
If-[SP01], compressor satisfies when starting guard time 〉=[EC01] simultaneously, and compressor start heats.If total return water temperature rises, work as T
Total backwater＞T
If the time, and compressor satisfy the working time 〉=when [EC02], compressor shutdown is in holding state.T
Total backwater≤ T
IfIn limited time, it is constant that compressor maintains the original state, and the return difference temperature [SP01] of a setting is arranged like this, avoids the high frequent start and stop down.
The user can realize peak valley electric control pattern to unit according to the peak valley electricity time, shuts down Auto Power On operation during the paddy electricity during peak electricity automatically.SP01 represents the return difference temperature in above-mentioned, and EC01 represents to represent compressor minimum stop time, EC02 to represent compressor minimum working time, SC02 each unit starting interval time, and SC04 represents the compressor start delay time, and SC05 represents the outer blower fan time-delay closing time.
The utility model has also increased following functional characteristics in the automatic control that realizes unit: operational mode is selected; peak valley electric control function selecting; the temperature sensor compensation; the heating operation overload protection; temperature difference protection that current are not enough; the preventing freeze in winter protection; the water flow switch protection; the compressor high pressure; low-voltage variation; compressor operating and shutdown delay protection; load timesharing order start and stop function; compressor balance wearing and tearing operation; password and time-termination operation function; the module independent assortment; expanded function; bent axle electrical heating control; defrost electrical heating control; auxiliary electrical adds heat control and to the emergency protection of each sensor.Other emergency protection of various different priorities makes that the operation of system is more reliable and more stable.At the situation of present domestic shortage of electric power, utilize peak valley electric control pattern, can avoid the peak period electricity consumption preferably, thereby alleviate the power tense problem.The control of modular simultaneously can be increased operation rate greatly, avoids the waste of resource, has saved the energy greatly, brings convenience for people's life, material benefit.
Claims (1)
1. heat-pump hot-water unit automaton; it is characterized in that processor is provided with circuit, output driving circuit, crystal oscillating circuit, temperature simulation amount Acquisition Circuit, protection switch signal acquisition circuit, filtering interfered circuit, filter rectifier with line control machine control loop, sequence of modules respectively and joins; filter rectifier and power supply transforming circuit join; the protection switch signal acquisition circuit joins with the input indicating circuit, and output driving circuit joins with the output indicating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013056 CN2800334Y (en) | 2005-07-07 | 2005-07-07 | Automatic control device for heat pump hot-water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013056 CN2800334Y (en) | 2005-07-07 | 2005-07-07 | Automatic control device for heat pump hot-water unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2800334Y true CN2800334Y (en) | 2006-07-26 |
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ID=36842829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520013056 Expired - Fee Related CN2800334Y (en) | 2005-07-07 | 2005-07-07 | Automatic control device for heat pump hot-water unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2800334Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748391A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Control circuit and control system of heat pump water heater |
| WO2018045785A1 (en) * | 2016-09-08 | 2018-03-15 | 广东美的暖通设备有限公司 | Heat pump type water heating unit based on peak and off-peak power consumption, control method therefor and control system thereof |
-
2005
- 2005-07-07 CN CN 200520013056 patent/CN2800334Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748391A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Control circuit and control system of heat pump water heater |
| CN104748391B (en) * | 2013-12-26 | 2017-08-04 | 珠海格力电器股份有限公司 | Control circuit and control system of heat pump water heater |
| WO2018045785A1 (en) * | 2016-09-08 | 2018-03-15 | 广东美的暖通设备有限公司 | Heat pump type water heating unit based on peak and off-peak power consumption, control method therefor and control system thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060726 |